As poor as a church mouse：

非常穷。例如：My teacher is as poor as a church mouse.

Wash one's hands：

上厕所。例如：Where can I wash my hands？

Bollocking：

责骂。例如：My wife gave me a real bollocking for forgetting to pick up the dry cleaning on my way home from work.

Nice One：

不错（有时带讽刺意味）。例如：You messed up the Rutherford order？ Nice one, really.

Brass Monkeys：

天气冷。例如：It's freezing cold today - I'm wearing all my brass monkeys.

Drive Someone Up a Wall：

让某人感到极度烦恼。例如：I'm going crazy with all this noise； you're driving me up a wall!

String Someone Along：

用欺骗的方式引导某人。例如：He's been stringing me along for months, and I still don't know what's going on.

Sell Someone Down the River：

出卖某人。例如： I can't believe he sold me down the river in the middle of our partnership.

Leave Someone High and Dry：

抛弃他人。例如： After she left him high and dry, he had to fend for himself.

Spill the Beans：

泄露秘密。例如： Don't even think about spilling the beans about the surprise party!

这些例子展示了如何在不同的语境中使用委婉的俚语表达，以避免直接和可能引起不适的表述。